Table 3.
Hypothesized domain | Comp. no. | Component name | Factor 1 | Factor 2 |
---|---|---|---|---|
Oral | 1 | Lip closure | 0.77 | −0.08 |
2 | Tongue control during bolus hold | 0.74 | −0.02 | |
3 | Bolus preparation/mastication | 0.72 | 0.07 | |
4 | Bolus transport/lingual motion | 0.76 | −0.01 | |
5 | Oral residue | 0.71 | 0.05 | |
6 | Initiation of pharyngeal swallow | 0.52 | 0.18 | |
Pharyngeal | 7 | Soft palate elevation | 0.11 | 0.46 |
8 | Laryngeal elevation | 0.08 | 0.75 | |
9 | Anterior hyoid excursion | 0.05 | 0.76 | |
10 | Epiglottic movement | −0.08 | 0.81 | |
11 | Laryngeal vestibular closure | 0.05 | 0.75 | |
12 | Pharyngeal stripping wave | −0.05 | 0.81 | |
13 | Pharyngeal contraction (A/P view) | −0.01 | 0.64 | |
14 | Pharyngoesophageal segment opening | −0.11 | 0.75 | |
15 | Tongue base retraction | 0.26 | 0.59 | |
16 | Pharyngeal residue | 0.04 | 0.81 | |
Esophageal | 17 | Esophageal clearance, upright position (A/P view) | −0.05 | 0.19 |
Note. Factor loadings greater than 0.4 are marked bold and indicate which components can be considered a substantive part of each factor. Comp. = component; A/P = anterior/posterior.